Special Event – IOTA/ES – Call for Observations

Special Event Trans-Neptunian Objects, Cubewanos and Centaurs - Predicted by the ERC Lucky Star project Upcoming Occultation

2026 May 04 ~20:17 UT: (136108) Haumea occults UCAC4 524-056397 (14.7 mag)

2026-04-27

Trans-Neptunian object! (136108) Haumea has two moons and a ring! Long duration event for the main body! A large telescope aperture and a short exposure time is needed for the…

Flyby target of a spacecraft Near Earth Asteroids - Call for Observations by the ACROSS Team Past Event Special Event

2026 Apr 27 ~02:35 UT: (65803) Didymos occults UCAC4 338-104468 (15.7 mag)

2026-04-15

Apollo asteroid! Target of the DART and HERA missions! Very faint star! Short max. duration of only 0.41 s! Last update: 2026 Apr 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1942-65803-249499-646589-U104468

Main-Belt Asteroids Past Event Special Event

2026 Apr 23 ~20:37 UT: (31067) 1996 TF50 occults J050945.80+230126.7 (6.8 mag)

2026-04-15

Bright star! Annular occultation due to star diameter! Short max. duration of 0.40 s! Last update: 2026 Apr 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1938-31067-73359-649449-J4580267

Flyby target of a spacecraft Past Event Planetary Moons Special Event

2026 Apr 12 ~00:11 UT: (P5M44) Kallichore occults UCAC4 561-040971 (12.5 mag)

2026-04-03

Kallichore is a satellite of Jupiter and a flyby target of ESA’s mission JUICE! Yücel Kılıç, Instituto de Astrofísica de Andalucía (IAA-CSIC), wrote on Planoccult on Mar 30: Following a…

Flyby target of a spacecraft Jupiter Trojans - predicted by the ERC Lucky Star project Past Event Special Event

2026 Feb 10 ~02:23 UT: (21900) Orus occults TYC 5510-00557-1 (11.9 mag)

2026-01-12

Jupiter Trojan! Target of NASA’s Lucy mission! Last update: 2026 Jan 16, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1866-21900-165614-647429-T00557-1 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=157035 Prediction by SwRI (2023…

Flyby target of a spacecraft Jupiter Trojans - predicted by the ERC Lucky Star project Past Event Special Event

2026 Jan 22 ~21:01 UT: (617) Patroclus / Menoetius occult UCAC4 544-004619 (15.8 mag)

2026-01-14

Binary Jupiter Trojan! Target of NASA’s Lucy mission! Very faint star! Faint mag drop of only 0.7 mag! Max. duration: 15 s (Patroclus) and 12 s (Menoetius) J. Desmars (Lucky…

Flyby target of a spacecraft Jupiter Trojans - predicted by the ERC Lucky Star project Past Event Special Event

2026 Jan 04 ~22:40 UT: (617) Patroclus and Menoetius occult UCAC4 541-004490 (11.9 mag)

2025-12-30

Binary Jupiter Trojan! Target of NASA’s Lucy mission! Long max. duration events: 33 s (Patroclus) and 29 s (Menoetius) The map shows the latest prediction by Brain Keeney (SwRI) for…

Flyby target of a spacecraft Past Event Planetary Moons Special Event

2025 Oct 14 ~02:50 UT: P5M03 Ganymede occults HIP 37442 (7.5 mag)

2025-09-30

Satellite of Jupiter! Target of ESA’s mission Juice! Bright star! Verf faint mag drop of only 0.1 mag! Large European campaign. Recorded Zoom meeting with many hints for a successful…

Past Event Planetary Moons Special Event

2025 Oct 07 ~02:32 UT: P5M08 Pasiphae occults UCAC4 565-039361 (13.4 mag)

2025-10-04

Satellite of Jupiter! Faint star! Josselin Desmars (LTE) wrote on Planoccult on Oct 04: Observations are required around 5 min before and after the midtime. You can use the interactive…

Flyby target of a spacecraft Near Earth Asteroids - Call for Observations by the ACROSS Team Past Event Special Event

2025 Sep 24 ~01:52 UT: (3200) Phaethon occults UCAC4 662-020882 (12.5 mag)

2025-09-21

Apollo asteroid! Short max. duration of only 0.45 s. Target of the Destiny+ mission by JAXA and DLR! Last update: 2025 Sep 21, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1727-3200-57741-650668-U020882

Category: Special Event